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All Products > Electromechanical > Circuit Breakers
Circuit breakers are available at Mouser Electronics from industry leading manufacturers.  Mouser is an authorized distributor for many circuit breaker manufacturers including Altech, Carling, Cooper Bussmann, Littelfuse, Schurter, TE Connectivity, & more. Please view our selection of circuit breakers below.
Category   Electromechanical >  Circuit Breakers

Available Filters 7,508 Matches  

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Compare up to 20 parts.
Select ImageMouser Part # Mfr. Part # Mfr. Description Documents Availability Pricing
(USD)
Quantity RoHS Product Product Type Current Rating Voltage Rating AC Voltage Rating DC Number of Poles Actuator Type Circuit Function Series Operating Temperature Range Illuminated
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TE Connectivity / P&B W23-X1A1G-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A PUSH/PULL ACT.
Page 2,131

Data Sheet
96
In Stock
1: $24.68
10: $24.03
25: $21.59
50: $19.53
100: $16.73



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A PUSH/PULL ACT.
Page 2,131

Data Sheet
94
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-5
Enlarge
TE Connectivity / P&B Circuit Breakers 5A PUSH/PULL ACT.
Page 2,131

Data Sheet
204
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 5 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-40
Enlarge
TE Connectivity / P&B Circuit Breakers 40A PUSH/PULL ACT.
Page 2,131

Data Sheet
166
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 40 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A PUSH/PULL ACT.
Page 2,131

Data Sheet
122
In Stock
1: $25.17
10: $24.52
25: $22.02
50: $19.93
100: $17.07



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W33-T2N1Q-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A 2P White Rocker P1 & P2 Trip QC
Page 2,941

Data Sheet
77
In Stock
1: $25.22
10: $23.98
25: $22.07
50: $19.95
100: $18.93



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 250 V 50 V 2 Poles Rocker Series Trip Overload Sensing W33 Not Illuminated
Schurter 4430.2305
Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 15A
Page 2,134

Data Sheet
114
In Stock
1: $26.23
10: $23.72
25: $21.17
50: $20.00



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 15 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter 4430.2306
Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 20A
Page 2,134

Data Sheet
67
In Stock
1: $27.69
10: $24.61
25: $22.14
50: $20.90



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 20 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
Schurter 4430.2304
Enlarge
Schurter Circuit Breakers TA45 ORANGE RCKR 10A
Page 2,134

Data Sheet
66
In Stock
1: $27.69
10: $24.43
25: $22.14
50: $20.90



Min.: 1
Mult.: 1
Thermal Circuit Breakers Circuit Breaker for Equipment 10 A 240 V 60 V 2 Poles Rocker ON/OFF TA45 - 10 C to + 55 C
TE Connectivity / P&B W31-X2M1G-7.50
Enlarge
TE Connectivity / P&B Circuit Breakers 7.5A TOGGLE ACTUATOR
Page 2,131

Data Sheet
139
In Stock
1: $29.52
10: $27.54
25: $25.82
50: $23.36
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 7.5 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-35
Enlarge
TE Connectivity / P&B Circuit Breakers 35A TOGGLE ACTUATOR
Page 2,131

Data Sheet
100
In Stock
1: $29.52
10: $27.54
25: $25.82
50: $23.36
100: $18.45



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 35 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-50
Enlarge
TE Connectivity / P&B Circuit Breakers 50A TOGGLE ACTUATOR
Page 2,131

Data Sheet
78
In Stock
More Info Available
1: $29.52
10: $27.54
25: $25.82
50: $23.36
100: $18.45



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 50 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-30
Enlarge
TE Connectivity / P&B Circuit Breakers 30A TOGGLE ACTUATOR
Page 2,131

Data Sheet
85
In Stock
1: $29.54
10: $27.56
25: $25.84
50: $23.37
100: $21.76



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 30 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-20
Enlarge
TE Connectivity / P&B Circuit Breakers 20A TOGGLE ACTUATOR
Page 2,131

Data Sheet
80
In Stock
1: $29.54
10: $27.56
25: $25.84
50: $23.37
100: $21.76



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 20 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
Phoenix Contact 0902072
Enlarge
Phoenix Contact Circuit Breakers TMC 61C 10A
Data Sheet 22
In Stock
1: $29.88
10: $27.74
25: $26.68
50: $25.63
100: View



Min.: 1
Mult.: 1
Device Circuit Breakers Thermomagnetic 10 A 240 V, 415 V 1 Pole Handle TMC 60 Not Illuminated
TE Connectivity / P&B W31-X2M1G-25
Enlarge
TE Connectivity / P&B Circuit Breakers 25A TOGGLE ACTUATOR
Page 2,131

Data Sheet
69
In Stock
1: $30.10
10: $28.08
25: $26.33
50: $23.82
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 25 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-15
Enlarge
TE Connectivity / P&B Circuit Breakers 15A TOGGLE ACTUATOR
Page 2,131

Data Sheet
64
In Stock
1: $30.71
10: $28.65
25: $26.87
50: $24.30
100: View



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 15 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A TOGGLE ACTUATOR
Page 2,131

Data Sheet
107
In Stock
1: $32.73
10: $30.54
25: $28.63
50: $25.90
100: $20.37



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 10 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-1
Enlarge
TE Connectivity / P&B Circuit Breakers 1A PUSH/PULL ACT.
Page 2,131

Data Sheet
57
In Stock
1: $35.69
10: $33.31
25: $31.23
50: $28.26
100: $22.31



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 1 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-3
Enlarge
TE Connectivity / P&B Circuit Breakers 3A PUSH/PULL ACT.
Page 2,131

Data Sheet
226
In Stock
1: $36.42
10: $33.99
25: $31.86
50: $28.83
100: $26.93



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 3 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W23-X1A1G-2
Enlarge
TE Connectivity / P&B Circuit Breakers 2A PUSH/PULL ACT.
Page 2,131

Data Sheet
42
In Stock
1: $36.43
10: $33.99
25: $31.87
50: $28.84
100: $26.93



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 240 V 50 V 1 Pole Pushbutton Series Trip W23 - 20 C to + 60 C Not Illuminated
Phoenix Contact 5600310
Enlarge
Phoenix Contact Circuit Breakers TMC 42-01-15A
Page 2,133

Data Sheet
41
In Stock
1: $42.13
10: $39.13
25: $36.91
50: $36.86
100: View



Min.: 1
Mult.: 1
Thermal Magnetic Circuit Breakers Circuit Breakers 15 A 1 Pole Pushbutton ON/OFF TMC - 10 C to + 60 C Not Illuminated
Phoenix Contact 5531082
Enlarge
Phoenix Contact Circuit Breakers THERMO CB 5.0A
Page 2,133

Data Sheet
49
In Stock
1: $42.14
10: $39.13
25: $36.91
50: $36.86
100: View



Min.: 1
Mult.: 1
Thermal Magnetic Circuit Breakers Circuit Breakers 5 A 1 Pole Pushbutton TMC - 10 C to + 60 C Not Illuminated
TE Connectivity / P&B W31-X2M1G-2
Enlarge
TE Connectivity / P&B Circuit Breakers 2A TOGGLE ACTUATOR
Page 2,131

Data Sheet
52
In Stock
1: $45.30
10: $42.52
25: $39.63
50: $35.85
100: $28.31



Min.: 1
Mult.: 1
Thermal Circuit Breakers Supplementary Protector 2 A 240 V 50 V 1 Pole Toggle Series Trip W31 - 20 C to + 60 C Not Illuminated
TE Connectivity / P&B W68-X2Q12-10
Enlarge
TE Connectivity / P&B Circuit Breakers 10A 2 POLE 2 TOGGLE
Page 2,132

Data Sheet
124
In Stock
1: $50.30
10: $48.13
25: $44.01
50: $39.81
100: $33.61



Min.: 1
Mult.: 1
Hydraulic Magnetic Circuit Breakers Supplementary Protector / Motor Controller 10 A 277 V 2 Poles Toggle Series Trip W6 - 40 C to + 85 C Not Illuminated
Compare up to 20 parts.
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